Inventor · disambiguated record
Takaki Hamada
Also filed as: HAMADA TAKAKI
11 granted patents·303 citations·filing 1977–1991
92Inventor score
Top patents by PatentIndex Score
11 records- 0196US4837114AProcess for producing magnets having improved corrosion resistanceSUMITOMO SPEC METALS·Filed 1986·Granted Jun 6, 1989·82 cites·45 claims
- 0288US5316595AProcess for producing magnets having improved corrosion resistanceSUMITOMO SPEC METALS·Filed 1991·Granted May 31, 1994·44 cites·8 claims
- 0385US4770702AProcess for producing the rare earth alloy powdersSUMITOMO SPEC METALS·Filed 1988·Granted Sep 13, 1988·40 cites·14 claims
- 0480US4942098ACorrosion resistant permanent magnetSUMITOMO SPEC METALS·Filed 1988·Granted Jul 17, 1990·24 cites·14 claims
- 0579US5089066AMagnets having improved corrosion resistanceSUMITOMO SPEICAL METALS CO LTD·Filed 1989·Granted Feb 18, 1992·24 cites·12 claims
- 0673US4769063AMethod for producing rare earth alloySUMITOMO SPEC METALS·Filed 1986·Granted Sep 6, 1988·21 cites·5 claims
- 0771US4959273ACorrosion-resistant permanent magnet and method for preparing the sameSUMITOMO SPEC METALS·Filed 1989·Granted Sep 25, 1990·22 cites·44 claims
- 0870US4767450AProcess for producing the rare earth alloy powdersSUMITOMO SPEC METALS·Filed 1985·Granted Aug 30, 1988·21 cites·17 claims
- 0963US4968529AProcess for producing a corrosion resistant permanent magnetSUMITOMO SPEC METALS·Filed 1989·Granted Nov 6, 1990·13 cites·23 claims
- 1044US4110526AMethod for production of casting syrupsSUMITOMO CHEMICAL CO·Filed 1977·Granted Aug 29, 1978·5 cites·9 claims
- 1140US4898613ARare earth alloy powder used in production of permanent magnetsSUMITOMO SPEC METALS·Filed 1988·Granted Feb 6, 1990·7 cites·9 claims
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